327643423 has 4 divisors (see below), whose sum is σ = 335634768. Its totient is φ = 319652080.

The previous prime is 327643417. The next prime is 327643451. The reversal of 327643423 is 324346723.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 327643423 - 2⁹ = 327642911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327643453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3995611 + ... + 3995692.

It is an arithmetic number, because the mean of its divisors is an integer number (83908692).

Almost surely, 2^327643423 is an apocalyptic number.

327643423 is a deficient number, since it is larger than the sum of its proper divisors (7991345).

327643423 is an equidigital number, since it uses as much as digits as its factorization.

327643423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7991344.

The product of its digits is 72576, while the sum is 34.

The square root of 327643423 is about 18100.9232637454. The cubic root of 327643423 is about 689.3934479163.

The spelling of 327643423 in words is "three hundred twenty-seven million, six hundred forty-three thousand, four hundred twenty-three".